Jack Lambert Autographed/Signed Pro Style Black XL Jersey 2 Insc Beckett 39040 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a custom pro style black XL jersey with sewn on name and numbers that was personally autographed by Jack Lambert. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.